9985657920

Names of 9985657920

• Cardinal: 9985657920 can be written as Nine billion, nine hundred eighty-five million, six hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.98565792 × 10⁹

Factors of 9985657920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 93

Divisors of 9985657920

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 23 24 28 30 32 35 40 42 46 48 53 56 60 64 69 70 80 84 92 96 105 106 112 115 120 138 140 159 160 161 168 184 192 210 212 224 230 240 265 276 280 318 320 322 336 345 368 371 420 424 448 460 480 483 529 530 552 560 636 644 672 690 736 742 795 805 840 848 920 960 966 1058 1060 1104 1113 1120 1219 1272 1288 1344 1380 1472 1484 1587 1590 1610 1680 1696 1840 1855 1932 2116 2120 2208 2226 2240 2415 2438 2544 2576 2645 2760 2809 2968 3174 3180 3220 3360 3392 3657 3680 3703 3710 3864 4232 4240 4416 4452 4830 4876 5088 5152 5290 5520 5565 5618 5936 6095 6348 6360 6440 6720 7314 7360 7406 7420 7728 7935 8427 8464 8480 8533 8904 9660 9752 10176 10304 10580 11040 11109 11130 11236 11872 12190 12696 12720 12880 14045 14628 14812 14840 15456 15870 16854 16928 16960 17066 17808 18285 18515 19320 19504 19663 21160 22080 22218 22260 22472 23744 24380 25392 25440 25599 25760 28037 28090 29256 29624 29680 30912 31740 33708 33856 34132 35616 36570 37030 38640 39008 39326 42135 42320 42665 44436 44520 44944 48760 50784 50880 51198 51520 55545 56074 56180 58512 58989 59248 59360 63480 64607 67416 68264 71232 73140 74060 77280 78016 78652 84111 84270 84640 85330 88872 89040 89888 97520 98315 101568 102396 111090 112148 112360 117024 117978 118496 118720 126960 127995 129214 134832 136528 140185 146280 148120 154560 157304 168222 168540 169280 170660 177744 178080 179776 193821 195040 196259 196630 204792 222180 224296 224720 234048 235956 236992 253920 255990 258428 269664 273056 280370 292560 294945 296240 314608 323035 336444 337080 341320 355488 356160 387642 390080 392518 393260 409584 420555 444360 448592 449440 452249 471912 507840 511980 516856 539328 546112 560740 585120 588777 589890 592480 629216 646070 672888 674160 682640 710976 775284 785036 786520 819168 841110 888720 897184 898880 904498 943824 969105 981295 1023960 1033712 1121480 1170240 1177554 1179780 1184960 1258432 1292140 1345776 1348320 1356747 1365280 1485961 1550568 1570072 1573040 1638336 1682220 1777440 1794368 1808996 1887648 1938210 1962590 2047920 2067424 2242960 2261245 2355108 2359560 2584280 2691552 2696640 2713494 2730560 2943885 2971922 3101136 3140144 3146080 3364440 3554880 3617992 3775296 3876420 3925180 4095840 4134848 4457883 4485920 4522490 4710216 4719120 5168560 5383104 5426988 5887770 5943844 6202272 6280288 6292160 6728880 6783735 7235984 7429805 7752840 7850360 8191680 8915766 8971840 9044980 9420432 9438240 10337120 10401727 10853976 11775540 11887688 12404544 12560576 13457760 13567470 14471968 14859610 15505680 15700720 17831532 18089960 18840864 18876480 20674240 20803454 21707952 22289415 23551080 23775376 26915520 27134940 28943936 29719220 31011360 31205181 31401440 35663064 36179920 37681728 41606908 43415904 44578830 47102160 47550752 52008635 54269880 59438440 62022720 62410362 62802880 71326128 72359840 83213816 86831808 89157660 94204320 95101504 104017270 108539760 118876880 124820724 142652256 144719680 156025905 166427632 178315320 188408640 208034540 217079520 237753760 249641448 285304512 312051810 332855264 356630640 416069080 434159040 475507520 499282896 624103620 665710528 713261280 832138160 998565792 1248207240 1426522560 1664276320 1997131584 2496414480 3328552640 4992828960 9985657920
• Sum of all divisors σ(n): 38605699776
• Sum of proper divisors (its aliquot sum) s(n): 28620041856
• 9985657920 is an abundant number, because the sum of its proper divisors (28620041856) is greater than itself. Its abundance is 18634383936

Bases of 9985657920

• Binary: 1001010011001100010000110001000000₂
• Hexadecimal: 0x253310C40
• Base-36: 4L57AYO

Squares and roots of 9985657920

• 9985657920 squared (9985657920²) is 99713364095258726400
• 9985657920 cubed (9985657920³) is 995703543907663935725273088000
• The square root of 9985657920 is 99928.2638696381
• The cube root of 9985657920 is 2153.4042280865

Scales and comparisons

• 9,985,657,920 seconds is equal to 317 years, 26 weeks, 4 days, 17 hours, 52 minutes.
• To count from 1 to 9,985,657,920 would take you about six hundred thirty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 9985657920 cubic inches would be around 179.5 feet tall.

Recreational maths with 9985657920

• 9985657920 backwards is 0297565899
• 9985657920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9985657920's digits is 60
• More coming soon!